UTCLM317L

U T C LM317L LINEAR INTEGRATED CIRCUIT LOW CURRENT 1.25V TO 37V ADJUSTABLE VOLTAGE REGULATOR DESCRIPTION The UTC LM317L is a monolithic integrated circuit, designed for use as positive adjustable voltage regulator. It is designed to supply until 100mA of load current with an output voltage adjustable over a 1.25V to 37V range. 1 SOP-8 FEATURES *Output voltage range: 1.25V to 37V *Output current in excess of 100mA *Line regulation typ. 0.01% *Load regulation typ. 0.1% *Thermal overload protection *Short circuit protection *Output transistor safe area compensation *Floating operation for high voltage applications TO-92 PIN CONFIGURATIONS VIN 1 2 3 1 8 NC VOUT VOUT 2 7 VOUT ADJUST OUT IN 3 4 UTC LM317L 6 VOUT ADJ TO-92 Plastic Package Bottom View 5 NC SOP-8 PACKAGE ABSOLUTE MAXIMUM RATING PARAMETER Input-Output Differential Voltage Power Dissipation Operating Junction Temperature Range Storage Temperature Range SYMBOL Vi-Vo Pd Topr Tstr VALUE 40 Internally Limited 0~125 -55 ~ 150 UNIT V °C °C UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R101-008,A U T C LM317L LINEAR INTEGRATED CIRCUIT SCHEMATIC DIAGRAM INPUT R1 R2 R3 R4 Q10 Q1 Q2 R6 Q4 R7 Q8 R8 Q13 Q15 Q17 Q9 Q6 Q7 D1 R14 Q3 Q5 R10 R11 R12 R9 R13 R26 OUTPUT ADJUST R25 Q11 Q12 C2 R15 R24 C1 Q21 R20 Q14 Q16 Q19 R21 C3 R22 D3 R19 Q25 Q18 Q20 R16 R17 R18 R23 R5 Q22 D2 Q26 TEST CIRCUIT Vi 3 LM317L 1 2 R1 Vo Vref Cin 0.1µF Iadj R2 Cout 1µF UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R101-008,A U T C...